JPH06302363A - Connecting device for annular fluorescent lamp - Google Patents

Abstract

PURPOSE:To provide an annular fluorescent lamp connecting device enabling an annular fluorescent lamp to be easily mounted on a lighting fixture, and the lamp base of the annular fluorescent lamp to be mechanically combined to and electrically connected to the lamp socket of the lighting fixture with an identical member. CONSTITUTION:A lamp pin 2 and a guide pin 3 sufficiently longer than the pin 2 are erected on a lamp base 1. Also, a lamp pin insertion hole 5 for inserting the lamp pin 2, and a guide pin insertion hole 6 for guiding and inserting the guide pin 3 are formed on the pin hole formation side of a lamp socket body 4a. The hole 5 is internally provided with a terminal electrically contiguous to the lamp pin 2. Furthermore, a lamp support piece 8 kept in contact with the lamp base 1 for supporting an annular fluorescent lamp 10, and a lamp retaining spring 9 for holding the external surface of the base 1 are provided on the lamp socket body 4a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mechanically couples and electrically connects a ring-shaped fluorescent lamp to a lighting fixture body,
The present invention relates to a ring-shaped fluorescent lamp connecting device for fixing.

[0002]

2. Description of the Related Art As shown in FIG. 10, a conventional lighting fixture having a ring-shaped fluorescent lamp connecting device of this type has a lamp socket body 4a and a lamp support spring 11 on the lower surface of a fixture body 24 attached to a ceiling surface or the like. The lamp pin 2 provided on the lamp base 1 of the ring-shaped fluorescent lamp 10 is inserted into the lamp pin insertion hole 5 formed in the lamp socket body 4a, and the lamp base 1 is gripped by the lamp gripping spring 9 and is opposite to the lamp base 1. The glass tube portion 10a of the ring fluorescent lamp 10 on the side is supported by the lamp support spring 11.

Further, in the luminaire shown in FIG. 11, the lamp gripping spring 9 attached to the lamp socket body 4a is provided with the engaging portion 13, and the engaging recess provided in the lamp base 1 of the annular fluorescent lamp 10 is provided. The lamp base 1 is fixed to the lamp socket by locking the locking portion 13 to 14. In this lighting fixture, the lamp pin insertion hole 5
The other end of a contact spring 23 having a contact terminal 22 provided at one end is fixed to the inside bottom of the lamp pin insertion hole 5.

However, in the luminaire having the above-described structure, the lamp mounting work is often performed overhead, and at that time, the lamp pin insertion hole 5 of the lamp socket body 4a is difficult to see, and therefore the lamp pin 2 is manually inserted. In addition, since the lamp base 1 cannot be freely moved when the lamp base 1 is held by the lamp holding spring 9, it is difficult to insert the lamp pin 2 and the ring-shaped fluorescent lamp 10 can be easily mounted. There was a problem not.

[0005]

With respect to the above problems,
For example, a ring-shaped fluorescent lamp socket described in Japanese Utility Model Publication No. 62-23084 is proposed. As shown in FIG. 12, this ring-shaped fluorescent lamp socket is provided with a lamp pin guide groove 27 extending from the lamp pin insertion hole 5 to the edge portion on a lamp holding surface 26 including a pin hole forming surface 7 and a lamp supporting surface 25. It consists of

In order to mount the ring-shaped fluorescent lamp 10 on a lighting fixture having this ring-shaped fluorescent lamp socket, first, the ring-shaped fluorescent lamp 10 is held with the glass tube portion 10a of the ring-shaped fluorescent lamp 10 held by the lamp holding surface 26. When temporarily mounted and rotated in this state, as shown in FIG. 13, the lamp pin 2 of the lamp base 1 of the ring-shaped fluorescent lamp 10 moves in the direction of arrow B, and as a result, the tip of the lamp pin 2 moves to the lamp guide groove 27. Will enter. After this, the ring-shaped fluorescent lamp 10
When is further rotated, the lamp pin 2 of the lamp base 1 moves in the direction of arrow C along the lamp pin guide groove 27, is guided to the lamp pin insertion hole 5, and finally the lamp pin 2 enters the lamp pin insertion hole 5, Ring-shaped fluorescent lamp 1
0 is attached to the instrument body 24.

However, even in the above-mentioned ring-shaped fluorescent lamp socket, when the lamp base 1 of the ring-shaped fluorescent lamp 10 is held by the lamp holding spring 9, the ring-shaped fluorescent lamp 10 is rotationally moved by the frictional force of the lamp holding spring 9. There is a problem that it is difficult to mount the ring-shaped fluorescent lamp 10 because it is limited. Further, in the conventional ring-shaped fluorescent lamp connecting device as described above, since the mechanical connection and the electrical connection between the lamp base and the lamp socket are performed by separate members, the structure becomes complicated and the cost increases. There is a problem.

The present invention has been made in view of the above problems, and a ring-shaped fluorescent lamp can be easily mounted on a lighting fixture, and a mechanical coupling and an electrical connection between the lamp base of the ring-shaped fluorescent lamp and the lamp socket of the lighting fixture are provided. An object of the present invention is to provide a ring-shaped fluorescent lamp connecting device which can be connected with the same member.

[0009]

In order to achieve the above-mentioned object, the invention of claim 1 is such that a guide pin is erected on one of the surfaces of the lamp base of the annular fluorescent lamp and the lamp socket which face each other, The guide pin insertion hole that guides and inserts this guide pin is provided on the other side, and the length that the guide pin inserts into the guide pin insertion hole before the lamp pin provided on the lamp base inserts into the lamp pin insertion hole provided on the lamp socket The guide pins were formed to the dimensions.

According to a second aspect of the present invention, a guide pin having an outer peripheral surface provided with a connection terminal for energization is formed of an insulating material and erected on the lamp base, and an inner surface is electrically connected to the connection terminal for energization. The lamp socket is provided with a guide pin insertion hole in which a receiving side connection terminal to be connected to is disposed. Further, according to the invention of claim 3, a guide pin is provided upright in the lamp socket, a guide pin insertion hole is provided in the lamp base, and a gripping spring for gripping the outer peripheral surface of the lamp socket is provided. The stop projection is provided, and the locking recess that engages with the locking projection is provided on the lamp base.

[0011]

According to the first aspect of the invention, the guide pin is inserted into one of the surfaces of the ring-shaped fluorescent lamp that face the lamp base and the lamp socket so as to face each other, and the guide pin is inserted into the other of the guide pins. A guide pin is formed with a length that allows the guide pin to be inserted into the guide pin insertion hole before the lamp pin provided on the lamp base is inserted into the lamp pin insertion hole provided on the lamp socket. By guiding and inserting the lamp pin into the guide pin insertion hole, the lamp base and the lamp socket can be positioned before the lamp pin is inserted into the lamp pin insertion hole.

According to the structure of the invention of claim 2, in the structure of the invention of claim 1, a guide pin having a connection terminal for energization provided on the outer peripheral surface is formed of an insulating material and erected on the lamp base. Since the lamp socket is provided with the guide pin insertion hole in which the receiving side connection terminal for electrically connecting with the energization connection terminal is provided on the inner peripheral surface, the mechanical connection and the electrical connection between the lamp base and the lamp socket are provided. It can be used together with a guide pin.

Further, in the configuration of the invention of claim 3, in the configuration of the invention of claim 1, the guide pin is provided upright in the lamp socket, the guide pin insertion hole is provided in the lamp base, and the outer peripheral surface of the lamp socket is gripped. A gripping spring is provided, and a locking projection is provided at the tip of this gripping spring, and a locking recess that engages with this locking projection is provided in the lamp base, so the guide pin is inserted into the guide pin insertion hole. After that, the locking projection and the locking recess can be engaged with each other to securely fix the lamp base and the lamp socket.

[0014]

EXAMPLES The present invention will be described in detail below based on examples. (Embodiment 1) A perspective view of a lamp base 1 of a ring-shaped fluorescent lamp 10 in this embodiment is shown in FIG.
FIG. 1B is a perspective view in which a part of the above is omitted. First, as shown in FIG. 1A, the lamp pin 2 and the lamp pin 2
The guide pin 3 formed to be sufficiently longer than the lamp base 1
It stands upright. On the other hand, as shown in FIG. 1B, a lamp pin 2 is inserted, and a lamp pin insertion hole 5 having a terminal (not shown) electrically connected to the inserted lamp pin 2 is provided.
A guide pin insertion hole 6 for guiding and inserting the guide pin 3 is formed in the pin hole forming surface 7 of the lamp socket body 4a. Further, the ring-shaped fluorescent lamp 1 is brought into contact with the lamp base 1.
The lamp socket main body 4a is provided with a lamp support piece 8 for supporting 0 and a lamp gripping spring 9 for gripping the outer circumference of the lamp base 1 supported by the lamp support piece 8.

Now, as an example of a lighting fixture having an annular fluorescent lamp connecting device composed of the lamp base 1 and the lamp socket 4 as described above, there is one as shown in FIG. In this lighting fixture, the lamp socket body 4a and the lamp support spring 11 are provided on the lower surface of the fixture body 24 attached to the ceiling surface or the like.
The lamp base 1 and the lamp socket 4 are mechanically coupled and electrically connected by holding the lamp base 1 with the lamp holding spring 9 and the glass of the ring-shaped fluorescent lamp 10 on the opposite side of the lamp base 1. The tube portion 10a is configured to be supported by the lamp support spring 11.

In the lighting fixture as described above, the ring-shaped fluorescent lamp 10 is mounted on the fixture body 24 as follows. First, the glass tube portion 10a of the ring-shaped fluorescent lamp 10
The ring-shaped fluorescent lamp 10 is temporarily mounted while being supported by the lamp support spring 11. Then, in this state, the tip of the guide pin 3 provided on the lamp base 1 is inserted into the guide pin insertion hole 6 for positioning. Here, since the guide pin 3 is formed to be sufficiently longer than the lamp pin 2, the guide pin 4 is guided and inserted into the guide pin insertion hole 6 before the lamp pin 2 is inserted into the lamp pin insertion hole 5. Can be positioned. Once the position is determined, the lamp base 1 is pushed until the lamp pin 3 is completely inserted into the lamp pin insertion hole 5 while expanding the diameter of the lamp holding spring 9, and finally the outer periphery of the lamp base 1 is held by the lamp holding spring 9. Then, the ring-shaped fluorescent lamp 10 can be attached to the instrument body 24. Here, when the lamp base 1 and the lamp socket 4 are positioned, the lamp base 1 can be freely moved because the lamp base 1 is not gripped by the lamp gripping spring 9, and the ring-shaped fluorescent lamp 10 can be moved.
Can be easily installed.

(Embodiment 2) FIG. 3 shows a luminaire having a ring type fluorescent lamp connecting device of another embodiment. As shown in FIG. 3, the lamp base 1 has a lamp pin 2 as in the first embodiment.
And the guide pin 3 formed sufficiently longer than the lamp pin 2.
And are erected on the lamp base 1. On the other hand, the lamp socket body 4a is vertically attached to the lower surface of the fixture body 24 attached to the ceiling surface or the like. Then, as in the first embodiment,
The lamp pin 2 is inserted, and a lamp pin insertion hole 5 having a terminal (not shown) electrically connected to the lamp pin 2 and a guide pin insertion hole 6 for inserting the guide pin 3 are formed in the lamp socket body 4a. It is formed on the surface 7. The lamp gripping spring 9 is provided with a locking portion 13 for locking the lamp base 1, and the locking portion 13 engages with a locking recess 14 provided in the lamp base 1.

Even in the above-described lighting equipment, the ring-shaped fluorescent lamp 10 can be mounted in the same procedure as in the first embodiment, and when the lamp base 1 and the lamp socket 4 are positioned. Since the lamp base 1 is not gripped by the lamp gripping spring 9 and the locking portion 13 is not engaged with the locking recess 14, the lamp base 1 can be freely moved. The fluorescent lamp 10 can be easily attached.

In the above-mentioned first and second embodiments,
Although the guide pin is provided on the lamp base and the guide pin insertion hole is provided on the lamp socket body, conversely, the same effect can be obtained by providing the guide pin on the lamp socket body and the guide pin insertion hole on the lamp base. Needless to say. (Embodiment 3) A perspective view of the lamp base 1 of the ring-shaped fluorescent lamp 10 in this embodiment is shown in FIG.
FIG. 4B is a perspective view in which a part of FIG. First, as shown in FIG. 4A, the lamp base 1 is provided with a guide pillar 15 made of a pillar body 15a. And FIG. 5 (a)
As shown in (b) and (b), connection terminals 17 for obtaining electrical continuity with the lamp socket 4 are attached to the four side surfaces of the column 15a. Two of the four connection terminals 17 facing each other have the same length, one of them is longer than the other, and a fitting regulation convex portion 16 having a substantially semi-cylindrical shape is provided on an upper portion of each connection terminal. .

On the other hand, as shown in FIG. 4B, guide pin insertion holes 18 for inserting the guide columns 15 are provided in the pin hole forming surface 7 of the lamp socket body 4a. As shown in FIGS. 6 (a) and 6 (b), the inner wall of the guide column insertion hole 18 is provided with a fitting regulation concave portion 19 that is fitted with the fitting regulation convex portion 16 of the guide column 15. It is provided at a position that fits with the convex portion 16. Further, the connection terminal 1 provided on the side surface of the pillar body 15a of the guide pillar 15 is provided on the side surface of the fitting restriction concave portion 19.
7 is provided with a conductive spring 20 for contact and conduction with 7,
The tip of the conductive spring 20 is formed in a substantially V shape.

In the luminaire having the above-mentioned ring-shaped fluorescent lamp connecting device, when the ring-shaped fluorescent lamp is mounted on the main body of the luminaire, the same procedure as in Examples 1 and 2 can be performed. However, the lamp base 1 in the present embodiment does not include a lamp pin, and instead, the guide pillar 15 is inserted into the guide pillar insertion hole 18 and the guide pillar 15 is not inserted.
By connecting the connection terminal 17 attached to the side surface and the conductive spring 20 provided on the inner wall of the guide column insertion hole 18, conduction is obtained. That is, in the connection between the lamp base 1 and the lamp socket 4, it is possible to use both mechanical connection by the guide post 15 and the guide post insertion hole 18 and electrical connection by the connection terminal 17 and the conductive spring 20. You can do it.

Further, as shown in FIG. 7, the fitting restriction convex portion 16 is provided in a different position depending on the wattage of the ring-shaped fluorescent lamp 10 to form an irregular combination as shown in FIG. With respect to the lamp socket, the fitting regulation convex portion 16 interferes with the guide pole 15 so that the guide pole 15 cannot be inserted into the guide pole insertion hole 18. As a result, for example, it is possible to prevent a low wattage output lamp from being attached to a high wattage output lamp luminaire and a high wattage output lamp to be attached to a low wattage lamp luminaire.

In this embodiment, the guide pillar 15
The fitting restriction projection 16 is provided on the column body 15a and the fitting restriction recess 19 is provided in the guide pillar insertion hole of the lamp socket body 4a to prevent the annular fluorescent lamp from being mounted due to an irregular combination. Instead of providing such a fitting restriction uneven portion, by providing a method such as chamfering a part of the pillar body 15a, a guide pillar made of a pillar body having a different shape is provided in each lamp base according to the wattage of the ring-shaped fluorescent lamp, The same effect can be obtained by providing the corresponding regular lamp socket 4 with the guide pillar insertion holes that fit into the respective guide pillars.

In the third embodiment, the guide post is provided on the lamp base and the guide post insertion hole is provided on the lamp socket main body. Conversely, the guide post is provided on the lamp socket main body.
It goes without saying that the same effect can be obtained by providing the guide column insertion hole in the lamp base. (Embodiment 4) As shown in FIG. 9, in this embodiment,
A guide pin 3 is erected on the pin hole forming surface 7 of the lamp socket body 4a, and a guide pin insertion hole 6 for guiding and inserting the guide pin 3 is provided in the lamp base 1. A lamp socket gripping spring 29 for gripping the lamp socket body 4a is provided on the side surface of the lamp socket 4. Further, a locking convex portion 30 formed by bending the tip of the lamp socket gripping spring 29 into a substantially V shape is provided, and engages with a locking concave portion 31 provided in the lamp base 1, and the lamp socket 4 is connected to the lamp socket 4. The base 1 is fixed.

Also in this embodiment, the lamp base 1 and the lamp socket 4 are positioned by inserting the guide pin 3 into the guide pin insertion hole 6 similarly to the first embodiment. Here, the lamp base 1 can be positioned before being gripped by the lamp socket gripping spring 29, and the ring-shaped fluorescent lamp 10 can be easily attached to the lighting fixture body 24.
Can be attached.

[0026]

According to the first aspect of the present invention, a guide pin is inserted in such a manner that a guide pin is erected on one of the surfaces of the lamp base of the ring-shaped fluorescent lamp and the lamp socket which face each other, and the guide pin is inserted on the other side. A guide pin is formed with a length that allows the guide pin to be inserted into the guide pin insertion hole before the lamp pin provided on the lamp base is inserted into the lamp pin insertion hole provided on the lamp socket. By guiding and inserting the lamp pin into the guide pin insertion hole, the lamp base and the lamp socket can be positioned before the lamp pin is inserted into the lamp pin insertion hole. As a result, there is an effect that the ring-shaped fluorescent lamp can be easily attached to the lighting fixture.

According to a second aspect of the present invention, a guide pin having a connecting terminal for energization provided on the outer peripheral surface is formed of an insulating material and is erected on the lamp base, and an electrically connecting terminal and an electrical connection terminal are provided on the inner peripheral surface. Since the guide pin insertion hole in which the receiving side connection terminal to be connected to the lamp socket is arranged is provided in the lamp socket, the mechanical connection between the lamp base and the lamp socket and the electrical connection can be used together with the guide pin. There is an effect that the cost can be reduced by simplifying.

Further, according to the invention of claim 3, a guide pin is provided upright in the lamp socket, a guide pin insertion hole is provided in the lamp base, and a gripping spring for gripping the outer peripheral surface of the lamp socket is provided, and the tip of the gripping spring is provided. Since the locking convex portion is provided on the portion and the locking concave portion that engages with the locking convex portion is provided on the lamp base, the locking convex portion and the locking concave portion are separated after inserting the guide pin into the guide pin insertion hole. There is an effect that the lamp base and the lamp socket can be securely fixed by engaging with each other.

[Brief description of drawings]

1A and 1B show a first embodiment, in which FIG. 1A is a perspective view of a lamp base, and FIG. 1B is a perspective view in which a part of a lamp socket is omitted.

FIG. 2 shows the same as above and is a side view of a main part of a lighting fixture including the ring-shaped fluorescent lamp connecting device of the present embodiment.

FIG. 3 shows Example 2 and is a side view of a main part of a lighting fixture including the ring-shaped fluorescent lamp connection device of the present example.

4A and 4B show Embodiment 3 in which FIG. 4A is a perspective view of a lamp base, and FIG. 4B is a perspective view in which a part of a lamp socket is omitted.

FIG. 5 shows a part of the above lamp base,
(A) is a front view of a guide pillar, (b) is a side view of the guide pillar.

6A and 6B are views showing a part of the above lamp socket, wherein FIG. 6A is a front view of a guide column insertion hole, and FIG. 6B is a side sectional view of the guide column insertion hole.

FIG. 7 shows the same as above, and is a front view of another guide pillar.

FIG. 8 is a front view showing a state in which another guide pillar of the above is not fitted into the guide pillar insertion hole.

FIG. 9 shows Example 4 and is a side view of essential parts of the lamp cap and the lamp socket.

FIG. 10 is a side view of a main part of a lighting fixture including a conventional ring-shaped fluorescent lamp connecting device.

FIG. 11 is a side view of a main part of a lighting fixture including another conventional annular fluorescent lamp connecting device.

FIG. 12 is a perspective view showing a lamp base of another conventional annular fluorescent lamp connecting device.

FIG. 13 is a cross-sectional view of an essential part for explaining a connecting process of the above annular fluorescent lamp connecting device.

[Explanation of symbols]

 1 Lamp Base 2 Lamp Pin 3 Guide Pin 4 Lamp Socket 4a Lamp Socket Body 5 Lamp Pin Insertion Hole 6 Guide Pin Insertion Hole 7 Pin Hole Forming Surface 8 Lamp Supporting Piece 9 Lamp Holding Spring 10 Ring Fluorescent Lamp

Claims (3)

[Claims] 1. A guide pin is provided upright on one of the surfaces of a lamp base of a ring-shaped fluorescent lamp and a lamp socket that face each other, and a guide pin insertion hole for guiding and inserting the guide pin is provided on the other side of the lamp base. Before inserting the provided lamp pin into the lamp pin insertion hole provided in the lamp socket,
A ring-shaped fluorescent lamp connecting device, characterized in that the guide pin is formed in such a length that the guide pin is inserted into the guide pin insertion hole. 2. A receiving-side connection terminal in which a guide pin having a connection terminal for energization provided on an outer peripheral surface is formed of an insulating material and is erected on a lamp base and electrically connected to the connection terminal for energization on an inner peripheral surface. The ring fluorescent lamp connecting device according to claim 1, wherein the lamp socket is provided with a guide pin insertion hole in which is provided. 3. A guide pin is erected on the lamp socket,
A guide pin insertion hole is provided in the lamp base, a gripping spring for gripping the outer peripheral surface of the lamp socket is provided, a locking projection is provided at the tip of this gripping spring, and a locking recess for engaging with this locking projection is provided. The lamp base is provided on the lamp base.
The ring-shaped fluorescent lamp connection device described.